3469041

Information

• Patent Grant
• 3469041

• References
• Source

• Patent Number

  3,469,041

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1969
  55 years ago

• CPC

  • H04M1/667 - Preventing unauthorised calls from a telephone set
  • Y10S70/58 - Handle guard
  • Y10S70/72 - Telephone lock
  • Y10T70/411 - Clamps
  • Y10T70/5757 - Handle, handwheel or knob
  • Y10T292/0951 - Rigid

• US Classifications

  • 379 - Telephonic communications
  • 070 - Locks
  • 292 - Closure fasteners